<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <style>
        body { background-color: #DDDDDD; font: 30px sans-serif; }
    </style>
    <script type="text/javascript" src="https://www.google.com/jsapi"></script>
    <script type="text/javascript" src="chart.js"></script>
</head>
<body>
<div id='chart_div'></div>
</body>
</html>